
Why China's ‘Mother Ship' Drone That Can Launch 100 Kamikaze UAVs Is A Worry? Explained
As militaries across the world try to dominate the skies, China has unleashed its unmanned aerial 'mother ship", capable of launching and coordinating over 100 drones in a single mission.
Jiu Tian, China's drone carrier, will take off its first mission by the end of June, marking the beginning of a series of tests before the 'drone mother ship" UAV is deployed by the People's Liberation Army (PLA), as per Chinese media reports.

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Economic Times
2 hours ago
- Economic Times
Nvidia sounds the alarm: Chinese AI talent defecting to Huawei as U.S. chip curbs push them out the door
Nvidia is sounding the alarm about the unintended impact of US export restrictions on sending chips to China, as the company's senior VP of research and chief scientist, Bill Dally, said that the chipmaker is now witnessing an increasing number of former Nvidia AI researchers joining Huawei, a move prompted primarily by the tightening export controls, as per a PC Gamer to Dally's calculation, the number of AI researchers working in China has grown from a third of the world's total in 2019 to nearly half at present, reported PC Gamer, which cited a translation from the Taiwan Economic Daily report. The AI chipmaker's rationale is that without US restrictions, Huawei wouldn't be forced to focus so much on domestic AI solutions, but now it must do so to keep up, according to the PC Gamer report. However, this is not the first time Nvidia is pointing out that the US export restrictions for China are harming the AI industry in America. Even during Computex last month, Nvidia CEO Jensen Huang said, "AI researchers are still doing AI research in China and if they don't have enough Nvidia, they will use their own [chips]," and he also spoke regarding Huawei specifically, saying the company has become "quite formidable", reported PC Gamer. While, it is not just the US national interest that has urged Nvidia to highlight all the possible negatives of export controls, as these restrictions have cost and will cost the chipmaker lots of money, according to the report. Nvidia had revealed that after billions of dollars lost due to the restrictions of its H20 chips to China in Q1, it's expecting another $8 billion to be lost for the same reason in Q2, reported PC Gamer. According to the report, Huawei's latest Ascend 910 and 920 chips, with the help of China's SMIC (Semiconductor Manufacturing International Corporation), would be a better option for Chinese AI companies than trying to get their hands on Nvidia chips, as per the report. Why is Nvidia concerned about its AI researchers joining Huawei? Because it signals that export restrictions might be pushing top talent and innovation into China, instead of slowing its progress. How much money has Nvidia lost from these restrictions? Nvidia says it lost billions in Q1 and expects another $8 billion in losses in Q2 due to blocked chip sales to China.


Time of India
2 hours ago
- Time of India
Nvidia sounds the alarm: Chinese AI talent defecting to Huawei as U.S. chip curbs push them out the door
Nvidia is sounding the alarm about the unintended impact of US export restrictions on sending chips to China, as the company's senior VP of research and chief scientist, Bill Dally, said that the chipmaker is now witnessing an increasing number of former Nvidia AI researchers joining Huawei, a move prompted primarily by the tightening export controls, as per a PC Gamer report. AI Talent Spike in China According to Dally's calculation, the number of AI researchers working in China has grown from a third of the world's total in 2019 to nearly half at present, reported PC Gamer, which cited a translation from the Taiwan Economic Daily report. US Export Restrictions Fuel Domestic Innovation in China The AI chipmaker's rationale is that without US restrictions, Huawei wouldn't be forced to focus so much on domestic AI solutions, but now it must do so to keep up, according to the PC Gamer report. by Taboola by Taboola Sponsored Links Sponsored Links Promoted Links Promoted Links You May Like Undo However, this is not the first time Nvidia is pointing out that the US export restrictions for China are harming the AI industry in America. Even during Computex last month, Nvidia CEO Jensen Huang said, "AI researchers are still doing AI research in China and if they don't have enough Nvidia, they will use their own [chips]," and he also spoke regarding Huawei specifically, saying the company has become "quite formidable", reported PC Gamer. Big Financial Stakes for Nvidia While, it is not just the US national interest that has urged Nvidia to highlight all the possible negatives of export controls, as these restrictions have cost and will cost the chipmaker lots of money, according to the report. Live Events Nvidia had revealed that after billions of dollars lost due to the restrictions of its H20 chips to China in Q1, it's expecting another $8 billion to be lost for the same reason in Q2, reported PC Gamer. Huawei and SMIC Step Up According to the report, Huawei's latest Ascend 910 and 920 chips, with the help of China's SMIC (Semiconductor Manufacturing International Corporation), would be a better option for Chinese AI companies than trying to get their hands on Nvidia chips, as per the report. FAQs Why is Nvidia concerned about its AI researchers joining Huawei? Because it signals that export restrictions might be pushing top talent and innovation into China, instead of slowing its progress. How much money has Nvidia lost from these restrictions? Nvidia says it lost billions in Q1 and expects another $8 billion in losses in Q2 due to blocked chip sales to China.
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Business Standard
5 hours ago
- Business Standard
Sharp detection, no noise: China tests breakthrough radar technology
During the tests, the silent Cessna, using the new radar tech, identified ground targets with over 20 decibels greater clarity than traditional techniques New Delhi In a breakthrough that could reshape the future of military operations, Chinese scientists have developed a radar system that can detect moving targets without making a sound — even in the noisiest environments. The technology, developed by a team led by radar scientist Li Zhongyu, uses passive bistatic airborne radar and advanced signal processing to detect targets while remaining undetectable itself, reported South China Morning Post. The test Scientists in China tested a new type of radar technology using two small planes (Cessna-208 Caravans) flying in formation, separated by altitude. The one above sent out radar signals, and the other, flying silently below, gathered echoes without emitting any signals. They aimed to detect three vehicles moving far ahead over uneven terrain covered with dense vegetation and structures. For traditional radar systems, detection in such conditions is difficult because radar signals bounce all over the place in these environments. This creates clutter on radar screens, making it difficult to distinguish actual targets. Problems faced by traditional radar When two radar units operate separately, the reflected signals from targets don't stay aligned—they get spread out over different distances, known as range migration. This scattering causes the target's signal to blur, making it harder to detect clearly. Additionally, the Doppler effect, which helps identify moving objects, gets distorted as these frequency shifts spread over a wide range. This creates a lot of background noise that drowns out the actual signals from targets. Moreover, the unnecessary echoes change unpredictably depending on the distance, making it very difficult for conventional radar systems to filter them out effectively. How the new radar solves them The new approach uses three steps for clear detection: Motion correction: The researchers used techniques called Keystone transform and high-order compensation to gather the dispersed target signals into precise range spots. This focused energy made the targets easier to identify, aided by a process known as motion correction. Spectrum compression: This step refines blurred Doppler signals to sharpen the radar's ability to identify motion, improving target resolution. Space-time decoupling: Their breakthrough technology, called the 'space-time decoupling two-channel clutter cancellation method,' uses a special matrix (a math formula) to separate the clutter's non-linear knots. By aligning spatial frequencies to zero while preserving relative speed profiles, it allows perfect cancellation of environmental clutter between dual-channel echoes. During the tests, the silent Cessna identified ground targets with over 20 decibels greater clarity than traditional techniques, reported SCMP. The first tests for this novel tech were conducted five years ago. Military and strategic implications If and when implemented, the new radar technology could help military planes spot targets — vehicles, ships, missiles — at long range without being detected, even through clouds or darkness. Li's innovation also eliminates the exposure risks of low-probability-of-intercept (LPI) radars. LPI radars minimise the chance of being detected by operating at lower power levels or changing frequencies, but they still carry a risk of discovery. 'According to our knowledge, this is a world first,' Li claimed about the innovation.